:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
    --info: #2196f3;
    --dark: #2d3748;
    --light: #f7fafc;
    --gray: #718096;
    --border: #e2e8f0;
    --whatsapp: #25D366;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gradient);
    min-height: 100vh;
    overflow-x: hidden;
}

.register-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.register-container {
    max-width: 1300px;
    width: 100%;
    background: white;
    border-radius: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Left Side - Form */
.register-left {
    padding: 40px;
    background: white;
}

.register-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 15px;
}

.back-home {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.back-home:hover {
    color: var(--primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.register-form-container {
    max-width: 500px;
    margin: 0 auto;
}

.register-form-container h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.welcome-text {
    color: var(--gray);
    margin-bottom: 30px;
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-error {
    background: #fee;
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: #e3f2fd;
    color: var(--info);
    border-left: 4px solid var(--info);
}

/* Form Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 0.9rem;
}

.form-group label i {
    color: var(--primary);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    font-size: 0.75rem;
    color: var(--gray);
    display: block;
    margin-top: 5px;
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 45px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
    font-size: 1.1rem;
}

.password-strength {
    margin-top: 8px;
    font-size: 0.8rem;
}

.terms-group {
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input {
    width: auto;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Register Button */
.register-btn {
    width: 100%;
    padding: 14px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Poppins', sans-serif;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.register-btn:active {
    transform: translateY(0);
}

.register-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Social Registration */
.social-register {
    margin-top: 30px;
    text-align: center;
}

.social-register p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
    position: relative;
}

.social-register p::before,
.social-register p::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: var(--border);
}

.social-register p::before {
    left: 0;
}

.social-register p::after {
    right: 0;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.social-btn.google {
    background: #db4437;
    color: white;
}

.social-btn.facebook {
    background: #4267B2;
    color: white;
}

.social-btn.whatsapp {
    background: var(--whatsapp);
    color: white;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Login Link */
.login-link {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--gray);
}

.login-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-link a:hover {
    text-decoration: underline;
}

/* Right Side - Benefits */
.register-right {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    color: white;
    display: flex;
    align-items: center;
}

.benefits-content {
    width: 100%;
}

.welcome-bonus {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.welcome-bonus i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.welcome-bonus h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.benefits-list {
    margin-bottom: 40px;
}

.benefits-list h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.benefits-list ul {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s;
    animation: fadeInUp 0.5s ease-out both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefits-list li:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.benefits-list li i {
    font-size: 1.5rem;
    width: 35px;
}

.benefits-list li i.fa-check-circle {
    color: var(--success);
}

.benefits-list li i.fa-whatsapp {
    color: var(--whatsapp);
}

.benefits-list li div {
    flex: 1;
}

.benefits-list li strong {
    display: block;
    margin-bottom: 5px;
}

.benefits-list li span {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* Referral Example */
.referral-example {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.referral-example h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.example-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.level-node {
    text-align: center;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    min-width: 120px;
}

.level-node.level-1 {
    background: rgba(76, 175, 80, 0.3);
}

.level-node.level-2 {
    background: rgba(33, 150, 243, 0.3);
}

.level-node.level-3 {
    background: rgba(255, 152, 0, 0.3);
}

.node-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.node-text {
    font-size: 0.85rem;
    font-weight: 500;
}

.level-arrow i {
    color: rgba(255, 255, 255, 0.5);
}

.referral-note {
    font-size: 0.8rem;
    text-align: center;
    opacity: 0.8;
}

/* Stats Highlight */
.stats-highlight {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    text-align: center;
}

.stat {
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--whatsapp);
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s;
    font-weight: 500;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    color: white;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    font-size: 24px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .register-container {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    
    .register-right {
        display: none;
    }
    
    .register-left {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .register-form-container h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .register-wrapper {
        padding: 10px;
    }
    
    .register-header {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float span {
        display: none;
    }
    
    .whatsapp-float {
        padding: 15px;
        border-radius: 50%;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float i {
        margin: 0;
    }
}

/* Loading animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .register-left {
        background: #1a1a2e;
    }
    
    .register-form-container h1,
    .welcome-text,
    .form-group label {
        color: white;
    }
    
    .form-group input {
        background: #2d3748;
        border-color: #4a5568;
        color: white;
    }
    
    .form-group input:focus {
        border-color: var(--primary);
    }
    
    .login-link {
        border-top-color: #4a5568;
    }
}